WO2015051647A1 - Procédé et système de mise à niveau de microprogrammes, ordinateur supérieur et module optique - Google Patents

Procédé et système de mise à niveau de microprogrammes, ordinateur supérieur et module optique Download PDF

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Publication number
WO2015051647A1
WO2015051647A1 PCT/CN2014/080222 CN2014080222W WO2015051647A1 WO 2015051647 A1 WO2015051647 A1 WO 2015051647A1 CN 2014080222 W CN2014080222 W CN 2014080222W WO 2015051647 A1 WO2015051647 A1 WO 2015051647A1
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Prior art keywords
firmware
optical module
type
upgrade
firmware upgrade
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PCT/CN2014/080222
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English (en)
Chinese (zh)
Inventor
朱亚敏
刘世兴
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中兴通讯股份有限公司
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Priority to EP14852023.2A priority Critical patent/EP3043512B1/fr
Publication of WO2015051647A1 publication Critical patent/WO2015051647A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories

Definitions

  • the present invention relates to the field of remote online upgrade technologies, and in particular, to a firmware upgrade method and system, a host computer, and an optical module. Background technique
  • MDIO Management Data Input/Output
  • MSA Multi Source Agreement
  • Figure 1 is a timing diagram of online upgrade of software in the prior art.
  • the online upgrade process of the software image specified by MDIO MSA is as follows:
  • the software image is divided into several data blocks by the host computer, and each data block should include a data portion and a Cyclic Redundancy Checks (CRC) checksum; the host computer sends a request for downloading the image to the optical module.
  • CRC Cyclic Redundancy Checks
  • the software upgrade process is initiated, the optical module accepts the request, and sets the "upgrade data block preparation" flag. Once any error occurs during the current data block receiving process, the optical module notifies the upper computer, and the upper computer retransmits the data block; The data block has multiple CRC check errors, and the host computer forcibly terminates the upgrade process.
  • the host computer sends a download completion command to end the transfer process; the optical module confirms that the complete image has been successfully downloaded by successfully completing the status command.
  • Errors during the download are fed back by setting the error status register.
  • the host computer sends a download image request, and the optical module will test the downloaded software image. After the trial run is successful, the host computer issues the image default version (commit) command.
  • the registers defined by the MSA used in the above software upgrade process are shown in Table 1 below:
  • the MDIO upgrade preparation time gives a maximum value that can be waited.
  • the value is 5
  • An embodiment of the present invention provides a firmware upgrade method, where a firmware upgrade is configured in an optical module.
  • a type identifier register where the firmware upgrade type identifier register holds a firmware type identifier that the optical module supports upgrade, and the method includes:
  • the determining, by the firmware upgrade status register of the optical module, whether the optical module supports the firmware type to be upgraded includes:
  • performing the corresponding type of firmware upgrade processing on the optical module includes: sending a download instruction to the optical module, and transmitting image data of the firmware to be upgraded; after the image data is successfully transmitted, the light is The module sends a trial run new firmware command, instructing the optical module to perform a trial run of the new firmware;
  • the image data specifying command is sent to the optical module, and the upgraded image data is designated as the default image data of the corresponding firmware of the optical module.
  • the embodiment of the present invention further provides a firmware upgrade method, where the firmware module is configured with a firmware upgrade type identifier register, and the firmware upgrade type identifier register stores the firmware type identifier of the optical module that supports the upgrade, and the method includes:
  • the performing the corresponding type of firmware upgrade processing includes:
  • the corresponding firmware activation policy is invoked through the unified interface to perform the trial run of the new firmware, and the trial run succeeds. Afterwards, sending a firmware trial run success message to the host computer; after receiving the image data designation command sent by the host computer, setting the upgraded image data to a default boot corresponding firmware according to the specified command Image data.
  • the firmware upgrade type identifier register is a management data input/output multi-source protocol.
  • the embodiment of the present invention further provides a host computer, where the firmware module is configured with a firmware upgrade type identifier register, and the firmware upgrade type identifier register stores the firmware type identifier of the optical module that supports the upgrade, and the host computer includes:
  • the type judging unit is configured to write the type identifier of the firmware to be upgraded to the firmware upgrade type identifier register corresponding to the optical module, and determine whether the optical module supports the optical module by reading the firmware upgrade status register of the optical module. Upgraded firmware type;
  • a firmware upgrade unit configured to perform a corresponding type of firmware upgrade processing on the optical module when the determination result of the type determining unit indicates that the optical module supports the firmware type to be upgraded.
  • the type determining unit is configured to read an upgrade command execution status bit in the firmware upgrade status register of the optical module, and if the read bit indicates that the command is successfully executed, determine that the optical module supports writing
  • the firmware type identifies the firmware upgrade of the corresponding type; if the command execution fails, the upgrade command execution failure reason register in the firmware upgrade status register of the optical module is read, and if the reason register indicates that the firmware type is not supported, it is determined that the optical module does not A firmware upgrade that supports the type of firmware that is written.
  • the firmware upgrade unit includes:
  • a data transmission subunit configured to send a download instruction to the optical module, and transmit image data of the firmware to be upgraded
  • a firmware commissioning indication subunit configured to send a trial run new firmware command to the optical module after the image data transmission is successful, instructing the optical module to perform a trial run of the new firmware
  • the data indication subunit is configured to be After the optical module is successfully tested, the image data specifying command is sent to the optical module, and the image data after the upgrade is specified to be the default image data of the corresponding firmware of the optical module.
  • the embodiment of the present invention further provides an optical module, where the optical module is configured with a firmware upgrade type identifier register, and the firmware upgrade type identifier register stores the firmware type identifier that the optical module supports upgrade, and the optical module Also includes:
  • the upgrade processing unit is configured to perform a corresponding type of firmware upgrade processing according to the upgrade firmware type written by the upper computer in the firmware upgrade type identifier register when receiving the download instruction of the upper computer.
  • the upgrade processing unit includes:
  • a data downloading subunit configured to receive image data of the firmware to be upgraded transmitted by the upper computer after receiving the download instruction sent by the upper computer, and after the image data is successfully downloaded, to the upper computer Send a download completion message;
  • a firmware commissioning subunit configured to, after receiving the trial run new firmware command sent by the host computer, execute the new firmware by calling a corresponding type of firmware activation policy according to the firmware type identifier in the command Trial operation, and after the trial run is successful, send a firmware trial run success message to the host computer;
  • a data specifying subunit configured to, after receiving the image data specifying command sent by the upper computer, set the upgraded image data as the default image data for starting the corresponding firmware according to the specified command.
  • the firmware upgrade type identifier register is a management data input/output multi-source protocol. Reserved register for MDIO MS A.
  • An embodiment of the present invention further provides a firmware upgrade system, where the system includes the above-mentioned upper computer and an optical module;
  • a firmware upgrade type identifier register is disposed in the optical module, and the firmware upgrade type identifier register stores a firmware type identifier that is supported by the optical module to be upgraded;
  • the upper computer is configured to write a type identifier of the firmware to be upgraded to the firmware upgrade type identifier register corresponding to the optical module, and determine whether the optical module supports the optical module by reading the firmware upgrade status register of the optical module.
  • the firmware type to be upgraded when it is determined that the optical module supports the firmware type to be upgraded, performing a corresponding type of firmware upgrade processing on the optical module; the optical module is configured to receive the download of the upper computer
  • the firmware upgrade process of the corresponding type is performed according to the upgrade firmware type written by the upper computer in the firmware upgrade type identifier register.
  • the embodiment of the present invention further provides a computer readable storage medium, where the storage medium includes a set of computer executable instructions, and the instructions are used to execute an upgrade method of firmware on the host computer side.
  • the embodiment of the invention further provides a computer readable storage medium, the storage medium comprising a set of computer executable instructions, wherein the instructions are used to execute a firmware upgrade method on the optical module side.
  • a firmware upgrade method and system, a host computer and an optical module provided by an embodiment of the present invention use a reserved register in the MDIO MSA as an upgrade firmware type identification register, and multiplex the online upgrade control and status register in the MDIO MSA.
  • FIG. 1 is a timing diagram of online upgrade of software in the prior art
  • FIG. 2 is a timing diagram of a firmware upgrade according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of firmware activation according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of an internal online upgrade register group of an optical module according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a firmware upgrade system according to an embodiment of the present invention.
  • the firmware upgrade method provided by the embodiment of the present invention is configured with a firmware upgrade type identifier register in the optical module, where the firmware upgrade type identifier register stores the firmware type identifier that the optical module supports upgrade, and the method mainly includes Writing the type identifier of the firmware to be upgraded to the firmware upgrade type identifier register corresponding to the optical module, and reading the firmware upgrade status register of the optical module to determine whether the optical module supports the firmware type to be upgraded; When the optical module supports the firmware type to be upgraded, performing a corresponding type of firmware upgrade processing on the optical module.
  • the execution body of the method may be a host computer. Therefore, the upgrade method may also be described as: the host computer writes the type identifier of the firmware to be upgraded to the firmware upgrade type identifier register corresponding to the optical module, and reads the optical module by reading the optical module.
  • the firmware upgrade status register determines whether the optical module supports the firmware type to be upgraded. When determining that the optical module supports the firmware type to be upgraded, performing a corresponding type of firmware upgrade processing on the optical module.
  • a reserved register in the MDIO MSA may be enabled as a firmware upgrade type identifier register; preferably, the reserved register B052 in the MDIO MSA may be set as a firmware upgrade type identifier register, and 15 ⁇ of the register is used.
  • the 12-bit number is used as the firmware upgrade type identifier.
  • Table 3 lists three types of firmware: MCU software image, FPGA logic image, Digital Signal Processor (DSP) chip image.
  • DSP Digital Signal Processor
  • the firmware type is not supported in the upgrade command failure reason bit information of the MDIO MSA original register B051.
  • the corresponding values are shown in Table 3. Hexadecimal size access type bit register name/bit name description initial value system address (bytes)
  • the B052 register Since the B052 register is non-volatile, it will revert to the last set value after power-down or reset restart.
  • the firmware upgrade status register of the optical module is used to determine whether the optical module supports the firmware type to be upgraded, including:
  • a test run new firmware command is sent to the optical module, instructing the optical module to perform a trial run of the new firmware
  • the image data designation command is sent to the optical module, and the upgraded image data is designated as the default image data of the corresponding firmware of the optical module.
  • the embodiment of the present invention further provides a firmware upgrade method, where a firmware upgrade type identifier register is configured in the optical module, and the firmware upgrade type identifier register stores a firmware type identifier that the optical module supports upgrade, and the method mainly includes Including: when receiving the download instruction of the host computer, perform corresponding firmware upgrade processing according to the upgrade firmware type written by the host computer in the firmware upgrade type identifier register.
  • the execution body of the method is an optical module. Therefore, the upgrade method is also described as follows: When the optical module receives the download instruction of the upper computer, it is written according to the upper computer in the firmware upgrade type identification register. Upgrade the firmware type and perform the corresponding type of firmware upgrade processing.
  • a reserved register in the MDIO MSA may be enabled as a firmware upgrade type identifier register; preferably, the reserved register B052 in the MDIO MSA may be set as a firmware upgrade type identifier register, and 15 ⁇ of the register is used.
  • the 12-bit number is used as the firmware upgrade type identifier, and the corresponding values of the specific types are as shown in Table 2 above. Since the B052 register is non-volatile, it will revert to the last set value after a power-down or reset restart.
  • the optical module performs a corresponding type of firmware upgrade processing, including:
  • the corresponding firmware activation policy is invoked through the unified interface to perform the trial run of the new firmware, and the trial run succeeds. Afterwards, sending a firmware trial run success message to the host computer; after receiving the image data designation command sent by the host computer, setting the upgraded image data to a default boot corresponding firmware according to the specified command Image data.
  • the firmware upgrade process performed between the host computer and the optical module will be further described in detail below in conjunction with the timing diagram shown in FIG.
  • the firmware upgrade process mainly includes:
  • Step 201 The host computer sets an upgrade firmware type to the optical module.
  • the host computer writes the type identifier of the firmware to be upgraded to the firmware upgrade type identifier register of the optical module.
  • Step 202 The host computer queries whether the setting of the upgrade firmware type is successful.
  • the host computer reads the upgrade command execution status bit in the firmware upgrade status register of the optical module, and if the read bit indicates that the command is successfully executed, determining the type corresponding to the firmware type identifier that the optical module supports to write.
  • Firmware upgrade if the command fails to execute, then read the If the register indicates that the firmware type is not supported, it is determined that the optical module does not support the firmware upgrade of the type corresponding to the written firmware type identifier. After the upgrade firmware type is set successfully, continue with the next steps; after the upgrade firmware type setting fails, the operation is terminated.
  • Step 203 205 The host computer sends a download instruction to the optical module, and transmits image data of the firmware to be upgraded.
  • a feasible data transmission process is as follows: The upper computer divides the image data of the firmware to be upgraded into several data blocks, and each data block should include a data part and a Cyclic Redundancy Checks (CRC) check. And; once any error occurs in the current data block receiving process, the optical module will notify the upper computer, the upper computer retransmits the data block; if the same data block has multiple CRC check errors, the upper computer forcibly terminates the upgrade process. After all the image data packets have been transmitted, the host computer sends a data transfer completion command to end the transfer process; the optical module will confirm that the complete image has been successfully downloaded by sending an online download completion message. Errors in the download process are recorded and fed back through the status register of the optical module.
  • CRC Cyclic Redundancy Checks
  • Step 206 After the image data transmission is successful, the host computer sends a trial run new firmware command to the optical module, instructing the optical module to perform a trial run of the new firmware.
  • Step 207 After receiving the trial run new firmware command sent by the host computer, the optical module performs a trial run of the new firmware by using a unified type of firmware activation policy according to the firmware type identifier in the command, and is in trial operation. After successful, a firmware trial success message is sent to the host computer.
  • the embodiment of the present invention uses the firmware type identifier in the command by the optical module, and invokes the corresponding type of firmware activation policy to execute the trial operation of the new firmware by using the unified dynamic interface.
  • the optical module when performing the trial operation of the MCU image data, performs the corresponding MCU firmware activation step by calling the unified activation firmware interface, including: setting the MCU firmware. Run the flag bit; the MCU software restarts; the boot or boot process initiates a new MCU firmware based on the flag bit.
  • the optical module calls the unified activation solid
  • the component interface performs the corresponding FPGA firmware activation steps, including: saving the current FPGA important data; loading the new FPGA firmware; and restoring the state before the FPGA is activated according to the important data.
  • Step 208 After the optical module is successfully tested for the new firmware, the host computer sends an image data specifying command to the optical module, and specifies that the upgraded image data is the default image data of the corresponding firmware of the optical module.
  • Step 209 After receiving the image data specifying command sent by the host computer, the optical module sets the upgraded image data as the default image data for starting the corresponding firmware according to the specified command.
  • FIG. 4 is a schematic diagram of an internal online upgrade register group of an optical module according to an embodiment of the present invention.
  • the online upgrade register set includes: upgrade control register B051, status register B04D, data transfer control register B04C, data block storage register set (BC00 ⁇ BFFF), and firmware upgrade type identification register B052.
  • the upgrade control register B051 is responsible for controlling the firmware online upgrade process of the optical module;
  • the status register B04D is responsible for the state storage during the firmware online upgrade;
  • the data transfer control register B04C is responsible for the data interaction with the upper computer;
  • the data block storage register group BC00 BFFF is responsible for data storage during the online upgrade process;
  • firmware upgrade type identification register B052 is responsible for saving the firmware type identification of the optical module support upgrade, for example:
  • the identifier 0 represents the MCU image type
  • the identification 1 represents the FPGA image type
  • the identification 2 represents the DSP. Chip image type.
  • the host computer can perform firmware upgrade of the optical module, type read register B052 read/write operation, data block storage register group write operation, and so on.
  • the embodiment of the present invention further provides a firmware upgrade system, as shown in FIG. 5, the system includes: a host computer 10 and an optical module 20;
  • the firmware module is configured with a firmware upgrade type identifier register, and the firmware upgrade type identifier register stores the firmware type identifier that the optical module supports upgrade.
  • the host computer 10 is configured to write the type identifier of the firmware to be upgraded to the firmware upgrade type identifier register corresponding to the optical module 20, and determine whether the optical module 20 supports the firmware to be upgraded by reading the firmware upgrade status register of the optical module 20. When determining that the optical module 20 supports the firmware type to be upgraded, perform a corresponding type of firmware upgrade processing on the optical module 20; The optical module 20 is configured to perform a corresponding type of firmware upgrade process according to the upgrade firmware type written by the host computer 10 in the firmware upgrade type identifier register upon receiving the download instruction of the host computer 10.
  • the host computer 10 includes:
  • the type judging unit 11 is configured to write the type identifier of the firmware to be upgraded to the firmware upgrade type identifier register corresponding to the optical module 20, and determine whether the optical module 20 supports the upgrade to be upgraded by reading the firmware upgrade status register of the optical module 20.
  • Firmware type
  • the firmware upgrading unit 12 is configured to perform a corresponding type of firmware upgrade processing on the optical module 20 when the determination result of the type judging unit 11 indicates that the optical module 20 supports the firmware type to be upgraded.
  • the type judging unit 11 is configured to read the upgrade command execution status bit in the firmware upgrade status register of the optical module 20, and if the read bit indicates that the command is successfully executed, determine the firmware type identifier that the optical module 20 supports to write. Corresponding type of firmware upgrade; if the command execution fails, the upgrade command execution failure reason register in the firmware upgrade status register of the optical module 20, if the reason register indicates that the firmware type is not supported, it is determined that the optical module 20 does not support the written firmware.
  • the firmware upgrading unit 12 includes: a data transmission subunit 121 configured to send a download instruction to the optical module 20 and transmit image data of the firmware to be upgraded;
  • the firmware commissioning indication sub-unit 122 is configured to send a trial run new firmware command to the optical module 20 after the image data transmission succeeds, instructing the optical module 20 to perform a trial run of the new firmware;
  • the data indication sub-unit 123 is configured to send a mapping data designation command to the optical module 20 after the optical module is successfully tested for the new firmware, and specify the upgraded image data to be the default image data of the corresponding firmware of the optical module 20.
  • the optical module 20 further includes: an upgrade processing unit 21 configured to execute the corresponding type of firmware according to the upgrade firmware type written by the host computer 10 in the firmware upgrade type identifier register upon receiving the download instruction of the host computer 10 Upgrade processing.
  • an upgrade processing unit 21 configured to execute the corresponding type of firmware according to the upgrade firmware type written by the host computer 10 in the firmware upgrade type identifier register upon receiving the download instruction of the host computer 10 Upgrade processing.
  • the upgrade processing unit 21 includes: The data downloading subunit 211 is configured to receive the image data of the firmware to be upgraded transmitted by the host computer 10 after receiving the download instruction sent by the host computer 10, and send the download to the host computer 10 after the image data is successfully downloaded. Complete the message;
  • the firmware commissioning subunit 212 is configured to, after receiving the trial running new firmware command sent by the host computer 10, execute the new firmware by calling a corresponding type of firmware activation policy according to the firmware type identifier in the command. Trial run, and after the trial run is successful, send a firmware test run success message to the host computer 10;
  • the data designation subunit 213 is configured to, after receiving the image data designation command sent by the host computer 10, set the upgraded image data to the default image data for starting the corresponding firmware according to the specified command.
  • the type judging unit 11, the firmware upgrading unit 12, and the data transmission subunit 121, the firmware trial operation indication subunit 122, and the data indication subunit 123 may be configured by a central processing unit (CPU, Central Processing Unit) of the upper computer. , Microprocessor (MPU), Digital Signal Processor (DSP) or Field-Programmable Gate Array (FPGA);
  • CPU Central Processing Unit
  • MPU Microprocessor
  • DSP Digital Signal Processor
  • FPGA Field-Programmable Gate Array
  • the upgrade processing unit 21, and the data download subunit 211, the firmware trial run subunit 212, and the data designation subunit 213 can be implemented by a CPU, MPU, DSP or FPGA of the optical module.
  • the embodiment of the present invention further provides a computer readable storage medium, where the storage medium includes a set of computer executable instructions, and the instructions are used to execute an upgrade method of firmware on the host computer side.
  • the embodiment of the invention further provides a computer readable storage medium, the storage medium comprising a set of computer executable instructions, wherein the instructions are used to execute a firmware upgrade method on the optical module side.
  • the embodiment of the present invention uses a reserved register in the MDIO MSA as an upgrade firmware status register, which is used to reflect the firmware type of the online upgrade supported by the current optical module, and controls the firmware type of the online upgrade;
  • the online upgrade control and status register in the MSA add the online upgrade command execution failure reason information in the existing online upgrade status register, and unify the status indication and control mode in different firmware type upgrade processes;
  • the firmware type judgment link is added, and different types of upgrade firmware are used to differentiate the firmware, improve the firmware upgrade control timing, realize the versatility of the control process, the scalability of the firmware type, and the reusability of the register.
  • Adding the online upgrade firmware type identification register saves the resources of the reserved registers in the MDIO MSA, which greatly ensures the scalability; makes the reusability of the online upgrade control timing improved, and reduces the implementation complexity.

Abstract

La présente invention concerne un procédé de mise à niveau de microprogrammes. Un registre d'identifiants de type de mise à niveau de microprogrammes est configuré dans un module optique et un identifiant de type de microprogramme mis à niveau pris en charge par le module optique est sauvegardé dans le registre d'identifiants de type de mise à niveau de microprogrammes; le procédé comporte les étapes consistant à: écrire un identifiant du type de microprogramme à mettre à niveau dans le registre d'identifiants de type de mise à niveau de microprogrammes correspondant au module optique, et juger si le module optique prend en charge ou non le type de microprogramme à mettre à niveau en lisant un registre d'état de mise à niveau de microprogrammes du module optique; et exécuter le type correspondant de traitement de mise à niveau de microprogramme sur le module optique lorsqu'il est déterminé que le type de microprogramme à mettre à niveau est pris en charge par le module optique. Un autre procédé de mise à niveau de microprogrammes comporte les étapes consistant: lorsqu'une instruction de téléchargement en provenance d'un ordinateur supérieur est reçue, à exécuter le type correspondant de traitement de mise à niveau de microprogramme en fonction du type de microprogramme mis à niveau écrit par l'ordinateur supérieur dans le registre d'identifiants de type de mise à niveau de microprogrammes. Sont également décrits dans la présente invention un système de mise à niveau de microprogrammes, un ordinateur supérieur et un module optique.
PCT/CN2014/080222 2013-10-10 2014-06-18 Procédé et système de mise à niveau de microprogrammes, ordinateur supérieur et module optique WO2015051647A1 (fr)

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